- Atlantis (4)
- Pad 39-B (10)
- 29th Shuttle mission
- 4th Flight OV-104
- David M. Walker (2), Commander
- Ronald J. Grabe (2), Pilot
- Norman E. Thagard (3), Mission Specialist 1
- Mary L. Cleave (2), Mission Specialist 2
- Mark C. Lee (1), Mission Specialist 3
- OPF - Dec. 14,
- VAB - March 11,1989
- PAD - March 22, 1989
- May 4, 1989,2:48:59 p.m. EDT. Launch April 28 scrubbed at T-31
seconds due to problem with liquid hydrogen recirculation pump
on number one main engine and vapor leak in four-inch liquid
hydrogen recirculation line between
Repairs made and launch reset for May 4. Liftoff delayed until last
five minutes of 64-minute window opening at 1:48 a.m.. EDT due to
cloud cover and high winds at KSC Shuttle runway, violating return-
to-launch site limits. Launch Weight: 261,118 lbs.
- Altitude: 184nm
- Inclination: 28.8 degrees
- Orbits: 65
- Duration: 4 days, 0 hours, 56 minutes, 28 seconds.
- Distance: 1,681,997 miles
- SRB: BI-027
- SRM: 360Q/H004
- ET : 29/LWT-22
- MLP : 1
- SSME-1: SN-2027
- SSME-2: SN-2030
- SSME-3: SN-2029
- May 8, 1989, 12:43:27 p.m. PDT, Runway 22, Edwards Air Force Base, Calif.
Rollout distance: 10,295 feet. Rollout time: 64 seconds.
to KSC May 15,1989. Landing Weight: 192,459 lbs.
- Primary payload, Magellan/Venus radar mapper spacecraft and
attached Inertial Upper Stage
(IUS), deployed six hours, 14 minutes
into Flight. IUS first and
second stage fired
as planned, boosting
Magellan spacecraft on proper trajectory for 15-month journey to
Venus. Secondary payloads: Mesoscale Lightning Experiment
(MLE), microgravity research with Fluids Experiment Apparatus
(FEA), and Air Force Maui Optical Site (AMOS) experiment.
- One of five General Purpose Computers (GPC) failed and had to
be replaced with a sixth onboard hardware spare. First time a GPC
was switched on orbit.
Last Mission STS-29
Next Mission STS-28
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